/Engine/Source/Runtime/GeometryCore/Public/DynamicMesh/MeshIndexUtil.h
CallSetType.Add(VertexPosition)for all valid vertex indices in for_each(Enumeration)
namespace UE { namespace Geometry { template<typename EnumeratorType, typename SetType> void UE::Geometry::CollectVertexPositions ( const [FDynamicMesh3](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3) & Mesh, EnumeratorType Enumeration, SetType & Output ) } }